LTC1052/LTC7652
U
TYPICAL APPLICATIO S
Increasing Output Current and Voltage (VSUPPLY = ±15V)
DC Stabilized FET Probe
INPUT CAPACITANCE BOOTSTRAP
5V
FAST SOURCE
FOLLOWER
Q1
2N5486
INPUT
7V
2N3904
5V
15V
30k
6
33pF
1N4148
0.1µF
3k
NC
2
3
7
INPUT
LT1010
– 5V
OUTPUT
10M
–
3
6
7
LT318A
4
LTC1052
+
–
V+
10M
8
OUTPUT
±12V AT 20mA | LIMIT
+
7
4
3
2
DRAIN CURRENT SINK
10k
Q2
+
2
1
6
3k
0.1µF
LTC1052
0.1µF
0.1µF
2N2222
8
0.01µF
–
1
2N3904
NC
4
100Ω
–15V
– 7V
1k
0.1µF
0.1µF
0.1µF
– 5V
2000pF
DC STABILIZATION
STABLE FOR ALL GAINS, INVERTING
AND NONINVERTING, OBSERVE
LTC1052 COMMON MODE INPUT LIMITS
LTC1052/7652 • TA13
BANDWIDTH: 20MHz
: 100ns
1k
0.1µF
†
RISE
DELAY: 5ns
LTC1052/7652 • TA14
Precision Multiplexed Differential Thermocouple Amplifier
5V
COLD JUNCTION
COMPENSATOR
100k
4
R1
LT1004–1.2V
3
7
–
7
8
6
LTC1052
V
= 1001 • V
THERMOCOUPLE
OUT
5k AT
25°C
8
2
†
+
4
11
12
1690Ω
187Ω
1
1µF
1µF
0.1µF
0.1µF
0.1µF
1820Ω
1M
1k
– 5V
13
6
14
5
5V
16
12
13
3
2
3
1µF
1µF
1
†
14
5
YELLOW SPRINGS INST. CO. PART #44007
18
16
15
LTC1043
THERMOCOUPLE
TYPE
R1
15
2
J
K
T
S
232k
301k
301k
2.1M
0.0047µF
17
– 5V
11
4
9
ADDRESS
10
8
7
CD4052B
– 5V
LTC1052/7652 • TA15
1052fa
16
Linear [ Linear ]
